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back up (1)
Meaning: to make an extra copy of digital information on disc, flash drive, external hard drive, etc. in case the original data is lost
For example:
- back up sth How do you back up your computer files?
- back sth up I back most of my stuff up on one of those flash drive things.
- back up It's a good idea to back up at least once a month.
back up (1): files, data, hard drive, work
Quick Quiz:
We back up our computer files to make sure we never
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